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10 Cards in this Set
- Front
- Back
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as u go down a group, atomic size...
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increases
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shielding effect?
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decrease in size from left to right is less pronounced from pds towards the bottom
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periodic trend
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as u move across pd. size of cations: decreases, size of anions: decrease
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as you down a group, ionization energy...
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decreases
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cation
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+ ions (lost electrons)
always smaller than neutral atom from which thye r made; more protons than electrons |
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as you go across a pd, ionization energy...
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increases
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ionization energy
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amount of energy required to move the most loosely held electron
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anion
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(- ion) gained electrons
always larger then neutral original atom; more electrons than protons |
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group trend
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as u go down a group, size increases
(greater # occupied energy levels) |
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as you move from left to right acros a pd, atomic size...
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decreases
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